A) Death offish due to lack of oxygen
B) Death of the lake very soon due to algal bloom
C) Increased production offish due to lot of nutrients
D) Increased population of aquatic food web organisms
Correct Answer: A
Solution :
[a] A lake with an inflow of domestic sewage rich in organic waste, may result in the death of fish due to lack of oxygen. Often in water bodies subjected to sewage pollution, fishes die because of the reduction of dissolved oxygen caused by microbial activity.
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